GE GJR5253100R1260 BCU05G – Battery Control Unit (ABB)

Technical Specifications

• Manufacturer: ABB
• Model: GJR5253100R1260 BCU05G
• Battery Compatibility: 12/24/48 VDC lead-acid, NiCd, Li-ion batteries
• Voltage Monitoring Range: 10–60 VDC
• Current Monitoring Range: 0–50 A (charge/discharge)
• Temperature Monitoring Range: -20°C to +60°C (NTC thermistor)
• Charging Control: Programmable charging voltage/current, float/boost charging modes
• Protection Functions: Overcharge, over-discharge, overcurrent, short circuit, overtemperature, undervoltage
• Communication Port: 1 × RS-485 (Modbus RTU)
• Supported Protocol: Modbus RTU (Slave)
• Power Supply: 24 VDC (±10%)
• Power Consumption: Max 8 W
• Dimensions (L×W×H): 180 mm × 120 mm × 60 mm
• Weight: 1.5 kg
• Operating Temperature: -10°C to +55°C
• Storage Temperature: -40°C to +70°C
• Relative Humidity: 10%–90% (non-condensing)
• Certifications: CE, UL, CSA, IEC 62040

Key Features

1. Comprehensive Battery Management
   • Monitors battery voltage, charge/discharge current, and temperature in real time.
   • Programmable charging parameters (voltage/current) and support for float/boost charging modes optimize battery performance and lifespan.
2. Multi-Level Protection Functions
   • Overcharge, over-discharge, overcurrent, short circuit, overtemperature, and undervoltage protection safeguard the battery from damage.
   • Automatic shutdown and fault alarm features prevent catastrophic battery failure.
3. Real-Time Monitoring & Diagnostics
   • LCD display and LED indicators provide real-time status of battery parameters and fault conditions.
   • On-board diagnostics log fault history and support remote monitoring via Modbus RTU.
4. Modbus RTU Communication
   • RS-485 port supports Modbus RTU protocol for seamless integration with SCADA, DCS, and battery management systems (BMS).
   • Enables remote monitoring, configuration, and firmware updates.
5. Compact & Rugged Design
   • Compact form factor (180×120×60 mm) for easy installation in battery cabinets or control rooms.
   • Industrial-grade components and heavy-duty housing withstand harsh environmental conditions.

Application Scenarios

• Power Generation
  • Backup power systems in thermal, hydro, and nuclear power plants.
  • Battery systems for turbine control systems and emergency lighting.
• Data Centers
  • UPS battery systems for data centers and server rooms.
  • Monitoring and protection of lithium-ion and lead-acid battery banks.
• Industrial Automation
  • Backup power for PLCs, SCADA, and critical industrial control systems.
• Telecommunications
  • Telecom tower battery backup systems and base station power supplies.
• Renewable Energy
  • Solar and wind power battery energy storage systems (BESS).
• Marine & Transportation
  • Marine vessel battery systems and railway backup power systems.